function read_query ( packet ) 
            local commands = require("proxy.commands")
            local cmd = commands.parse(packet)
            if cmd.type == proxy.COM_QUERY then
                local tk = require('proxy.tokenizer')
                local pr = require('proxy.parser')
                local tokens = assert(tokenizer.tokenize(cmd.query))

                local tbls = pr.get_tables(tokens)

                for k, v in pairs(tbls) do
                    print(k.." => "..v)
                end

                tbls = pr.get_tables(tokens)

                for k, v in pairs(tbls) do
                    print(k.." => "..v)
                end
            end
            proxy.response.type = proxy.MYSQLD_PACKET_OK
            proxy.response.affected_rows = 0
            proxy.response.insert_id = 0
            return proxy.PROXY_SEND_RESULT
end